New Zealand Map Series 260:
Q06 261 283 (WGS84 -35.538682 174.272314)
Latitude and Longitude (WGS84):
35°32´ S 174°16.3´ E (WGS84 -35.533333 174.271667)
Altitudes:
from 35m
Habitat:
Drainage ditch. In very shallow water or mud.
Notes:
Stems lax and almost straggling. Leaves unspotted. Flowers c.3mm long pink perianth. A small area.